23 lines
375 B
C
23 lines
375 B
C
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#pragma once
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namespace Pinetime {
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namespace Controllers {
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/// Direct Form II Biquad Filter
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class Biquad {
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public:
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Biquad(float b0, float b1, float b2, float a1, float a2);
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float Step(float x);
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private:
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float b0;
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float b1;
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float b2;
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float a1;
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float a2;
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float v1 = 0.0f;
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float v2 = 0.0f;
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};
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}
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}
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